73368114
Jun 7, 1982
Apr 24, 1984
Metal Automatic Differential Valves, Meters; Mechanical Preset Counters; Temperature Volume Compensators; Mechanical Non-Reset Counters; Pulsers; Counter Drive Adapters; Rate-of-Flow Indicators; Digital to Analog Converters; Combinators for Coupling Several Counter Outputs to One Totalizer; Electronic Ticket Printer to Form Integral Unit with Counter
Electrical and Scientific Apparatus